v0.4.6

BlockSystems v0.4.6

Diff since v0.4.5

Merged pull requests:

• unify rename_vars and set_p into replace_vars (#61) (@hexaeder)
• update localmake (#63) (@hexaeder)
• Migrate from SnoopPrecompile to PrecompileTools (#67) (@timholy)
• updates related to MarieProject (#71) (@hexaeder)